Answer
$2$
Work Step by Step
Solve using PEMDAS (The priority list for solving expressions: Parentheses, exponents, [multiplication, division], [addition, subtraction]. For the operations in the brackets, solve from left to right)
$\dfrac{18+6}{2^4-2^2} = \dfrac{18+6}{16-4} = \dfrac{24}{12} = 2$